LED light bulb



FIG. 1 is a perspective view of a LED light bulb showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof; and,

FIG. 4 is a front plan view thereof, the bottom plan view being a mirror image. 

CLAIM The ornamental design for a LED light bulb, as shown and described. 